| 用800nm表面态方法和低温方法结合吸收区的半导体可饱和吸收镜实现掺钛蓝宝石激光克尔镜锁模 |
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| 引用本文： | 王勇刚,马骁宇,曹士英,张志刚.用800nm表面态方法和低温方法结合吸收区的半导体可饱和吸收镜实现掺钛蓝宝石激光克尔镜锁模[J].半导体学报,2004,25(10). |
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| 作者姓名： | 王勇刚 马骁宇 曹士英 张志刚 |
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| 作者单位： | 1. 中国科学院半导体研究所,北京,100083
2. 天津大学精密仪器与光电子工程学院,超快激光实验室,天津,300072 |
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| 摘 要： | 研制了一种新型的800nm布拉格反射镜型半导体可饱和吸收镜,其吸收区是低温方法和表面态方法相结合.用该吸收体实现了氩离子激光器泵浦的掺钛蓝宝石激光器被动锁模,脉冲宽度达到40fs,光谱带宽为56nm,后者意味着它可以支持20fs的锁模.脉冲序列的重复率为97.5MHz,泵浦源为4.45W下平均输出功率为300mW.
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| 关 键 词： | 半导体可饱和吸收镜 表面态 低温 布拉格镜 |
800nm Semiconductor Absorber with Low Temperature Method and Surface State Method Combined Absorber for Kerr Lens Modelocking of Ti∶Al2O3 Laser |
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| Abstract: | A novel 800nm Bragg mirror type of semiconductor saturable absorption mirror with low temperature method and surface state method combined absorber is presented.With which passive Kerr lens mode locking of Ti∶Al2O3 laser pumped by argon ion laser is realized,which produces pulses as short as 40fs.The spectrum bandwidth is 56nm,which means that it can support the modelocking of 20fs.The pulse frequency is 97.5MHz;average output power is 300mW at the pump power of 4.45W. |
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| Keywords: | semiconductor saturable absorption mirror surface states low temperature Bragg mirror |
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